USB: gpio_vbus: a missing cancellation of workqueue in remove() function

Signed-off-by: Shinya Kuribayashi <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/otg/gpio_vbus.c

···
 	struct gpio_vbus_mach_info *pdata = pdev->dev.platform_data;
 	int gpio = pdata->gpio_vbus;
 
+	cancel_delayed_work_sync(&gpio_vbus->work);
 	regulator_put(gpio_vbus->vbus_draw);
 
 	usb_set_transceiver(NULL);